1. Brezonik, P.L., Arnold, W.A.: Water Chemistry. Oxford University Press Inc, Oxford (2011)
2. Shaff, J.E., Schultz, B.A., Craft, E.J., Clark, R.T., Kochian, L.V.: GEOCHEM-EZ: a chemical speciation program with greater power and flexibility. Plant Soil 330, 207–214 (2010)
3. Westall, J.C.: MINEQL: A Computer Program for the Calculation of Chemical Equilibrium Composition of Aqueous Systems. Massachusetts Institute Of Technology, Water Quality Laboratory, Cambridge (1976)
4. Cabaniss, S.E.: TITRATOR: an interactive program for aquatic equilibrium calculations. Environ. Sci. Tech. 21, 209–210 (1976)
5. Gustafsson, J.P.: Visual MINTEQ. https://vminteq.lwr.kth.se/ (2013)